flocculus

Pronunciation: flok'yu-lus, -li

Definition:

A tuft or shred of cotton or wool or anything resembling it.

A small lobe of the cerebellum at the posterior border of the middle cerebellar peduncle anterior to the biventer lobule; it is associated with the nodulus of the vermis; together, these two structures compose the flocculonodular lobe (vestibular part) of the cerebellum.